We are a famous chinese manufacturer, specialize in the production of super quality of Potassium Ferrocyanide suitable for use in wine production and salt production,Usually, we supply the series materials for wine production to many customers in Europe,we also could quote you these products: 1) Potassium Ferrocyanide Food grade (we have own stocks in the Netherlands warehouse) 2) Glycerin Food grade 3) Potassium Sorbate Food grade 4) Potassium Metabisulphite Food grade 5) Diammonium Phosphate (DAP) Food grade 6) Potassium Ferricyanide Industry first grade (we have own stocks in the Netherlands warehouse)